Appearance: | White Powder | K Value: | 88-96 |
---|---|---|---|
APHA: | 30 Max | PH: | 4.0-9.0 |
NVP: | 0.1% Max | Water: | 5.0% Max |
Highlight: | Industry Grade Polyvinylpyrrolidone PVP K90,Cosmetic Grade Polyvinylpyrrolidone PVP K90,Povidone K90 Powder |
Facotry Supply Industry Grade Cosmetic Grade USP/ EP/ BP Grade Polyvinylpyrrolidone PVP K90 Povidone K90
Polyvinylpyrrolidone(PVP),Povidone K90
Cas No:9003-39-8
Appearance: White crystalline powder or White crystal and and colorless or slight yellow transparent liquid. It can dissolve in water and variety of organic solvents. Polymers with molecular weight under 30,000 can be excreted by the human kidney. It is generally used in cosmetics, surfactants, pharmaceuticals.
Specifications
Technical Grade
PVP K90 | K value | Vinylpyrrolidone ,% | Moisture,% | Solid,% | PH(10% in water) | Sulfate Ash,% |
K90 Liquid |
81-97 | ≤0.2 | - | 20±1 | 6-9 | ≤0.02 |
K90 Powder |
81-94 | ≤0.2 | ≤5.0 | ≥95 | 3-7 | ≤0.02 |
Pharmaceutical Grade (BP/USP/EP)
Items | K value |
Vinylpyrro- lidone % |
Moistrue % | PH(10% in water) | Residue on ignition% | Nitrogen content % |
Limit of aldehydes % |
Heavy Metal ppm |
Peroxide ppm |
Limit of hydrazine ppm |
Lead ppm |
K15 | 12-17 | ≤0.001 | ≤5.0 | 3-7 | ≤0.1 | 11.5-12.8 | ≤0.05 | ≤10 | ≤400 | ≤1 | ≤10 |
K17 | 15-19 | ≤0.001 | ≤5.0 | 3-7 | ≤0.1 | 11.5-12.8 | ≤0.05 | ≤10 | ≤400 | ≤1 | ≤10 |
K25 | 22-28 | ≤0.001 | ≤5.0 | 3-7 | ≤0.1 | 11.5-12.8 | ≤0.05 | ≤10 | ≤400 | ≤1 | ≤10 |
K30 | 27-32 | ≤0.001 | ≤5.0 | 3-7 | ≤0.1 | 11.5-12.8 | ≤0.05 | ≤10 | ≤400 | ≤1 | ≤10 |
K90 | 81-100 | ≤0.001 | ≤5.0 | 3-7 | ≤0.1 | 11.5-12.8 | ≤0.05 | ≤10 | ≤400 | ≤1 | ≤10 |